72106246 has 8 divisors (see below), whose sum is σ = 108196704. Its totient is φ = 36040680.

The previous prime is 72106241. The next prime is 72106247. The reversal of 72106246 is 64260127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72106241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5256 + ... + 13108.

It is an arithmetic number, because the mean of its divisors is an integer number (13524588).

Almost surely, 2^72106246 is an apocalyptic number.

72106246 is a deficient number, since it is larger than the sum of its proper divisors (36090458).

72106246 is a wasteful number, since it uses less digits than its factorization.

72106246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12446.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 72106246 is about 8491.5396719323. The cubic root of 72106246 is about 416.2212942115.

It can be divided in two parts, 7210 and 6246, that added together give a square (13456 = 116²).

The spelling of 72106246 in words is "seventy-two million, one hundred six thousand, two hundred forty-six".